#ifndef H_INTEGRANDS_HPP
#define H_INTEGRANDS_HPP
#include <cmath>
/*! \file integrands.hpp
  \brief contains the integrand funcctions
 */
const double pi=2*std::atan(1.0);
double fsincos(double const &);
//! Exact solution for testing
double exact(double const& a, const double & b);
#endif
